John P. Mulhall, MD MSc FECSM FACSDirector, Sexual & Reproductive Medicine ProgramSection of Urology, Department of SurgeryMemorial Sloan Kettering Cancer CenterNew York, NY, USALawrence C. Jenkins, MD, MBAFellow, Sexual & Reproductive Medicine ProgramSection of Urology, Department of SurgeryMemorial Sloan Kettering Cancer CenterNew York, NY, USA